... 发噪声地面 noise-producing surface 防噪声装置 noise-proof device 无噪音的,无杂音的,无噪声 noiseless ...
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brush device with noise-proof enclosure 隔音刷架
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Load type bearing and oil seal device, and a sound proof clapboard, can effectively prevent the vibration and noise, ensures the processing object is not polluted by oil.
重荷型轴承及油封装置,并有防音隔板,能有效地防止震动和噪音,确保加工物不受油脂污染。
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